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NGC 52
NGC 52 (PGC 978) is an edge-on spiral galaxy in the constellation Pegasus. It was discovered on September 18, 1784 by William Herschel. He described it as "very faint, small, extended."〔 ==Physical Characteristics== NGC 52 is approximately 150,000 light years across.〔 This makes it, in comparison, about 1.5 times as large as our own galaxy, the Milky Way. The galaxy also has a satellite elliptical galaxy called PGC (Principal Galaxies Catalogue) 1563523.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「NGC 52」の詳細全文を読む
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